128048216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 262440000

約数和(自身を除く): 134391784

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 89, 136, 142, 149, 178, 284, 298, 356, 568, 596, 712, 1192, 1207, 1513, 2414, 2533, 3026, 4828, 5066, 6052, 6319, 9656, 10132, 10579, 12104, 12638, 13261, 20264, 21158, 25276, 26522, 42316, 50552, 53044, 84632, 106088, 107423, 179843, 214846, 225437, 359686, 429692, 450874, 719372, 859384, 901748, 941531, 1438744, 1803496, 1883062, 3766124, 7532248, 16006027, 32012054, 64024108, 128048216]

約数ペア:

[(1, 128048216), (2, 64024108), (4, 32012054), (8, 16006027), (17, 7532248), (34, 3766124), (68, 1883062), (71, 1803496), (89, 1438744), (136, 941531), (142, 901748), (149, 859384), (178, 719372), (284, 450874), (298, 429692), (356, 359686), (568, 225437), (596, 214846), (712, 179843), (1192, 107423), (1207, 106088), (1513, 84632), (2414, 53044), (2533, 50552), (3026, 42316), (4828, 26522), (5066, 25276), (6052, 21158), (6319, 20264), (9656, 13261), (10132, 12638), (10579, 12104)]